Home / 10,889.73-15,036.30-8,367.84

Finding the Fourth Proportional to 10,889.73, 15,036.30 and 8,367.84

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Solution

The fourth proportional to 10,889.73, 15,036.30 and 8,367.84 is: 11,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.73 : 15,036.30 = 8,367.84 : x
  2. Step 2: Convert to fraction form
    10,889.73/15,036.30 = 8,367.84/x
  3. Step 3: Cross multiply
    10,889.73x = 15,036.30 × 8,367.84
  4. Step 4: Simplify right side
    10,889.73x = 125,821,352.59
  5. Step 5: Solve for x
    x = 125,821,352.59/10,889.73
  6. Step 6: Final answer
    x = 11,554.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.